<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>基本网格</title>
</head>
<body>
    <div style="display:grid;">
        <div>网格item</div>
        <div>网格item</div>
        <div>网格item</div>
        <div>网格item</div>
    </div>
</body>
</html>